CN208267750U - Detachable boarding ladder for crawler traveling machinery - Google Patents
Detachable boarding ladder for crawler traveling machinery Download PDFInfo
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- CN208267750U CN208267750U CN201820789169.3U CN201820789169U CN208267750U CN 208267750 U CN208267750 U CN 208267750U CN 201820789169 U CN201820789169 U CN 201820789169U CN 208267750 U CN208267750 U CN 208267750U
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Abstract
The utility model discloses a detachable boarding ladder for crawler traveling machinery, which belongs to the technical field of engineering machinery and comprises two symmetrical bridge units and a pull rod connected with the bridge units, wherein each bridge unit comprises a lower supporting unit and an upper supporting unit, and the lower supporting unit comprises a lower boundary beam, a connecting supporting plate, a front support, an upper guide plate and a lower guide plate; the upper supporting unit comprises an upper edge beam, a connecting supporting plate, a rear support and an inclined support; the lower supporting unit and the upper supporting unit are fixedly connected through bolts. The utility model discloses improved the structural design of traditional ladder of boarding, the axle of boarding, can dismantle the transportation, but the site Assembly need not to use large-scale hoist and mount apparatus, and convenient to use is swift, is favorable to improving the efficiency of construction.
Description
Technical field
The utility model relates to technical field of engineering machinery, specifically a kind of crawler running machinery is stepped on dismountable
Vehicle ladder.
Background technique
Access step is the tool for making walking machine climb up haulage vehicle, and many construction machinery needs pass through transport in construction
Vehicle reaches construction site, and the mode on construction machinery to haulage vehicle is usually to use access step, and construction machinery is by stepping on vehicle
Haulage vehicle on terraced " stepping on ".Access step used at present can be divided by form it is fixed and two kinds mobile, by its load mode
Mechanical and fluid pressure type etc. can be divided into, but regardless of which type of access step, structure is all integral type, it is not removable, it is inconvenient
In vehicle transport, need to carry out handling using hanging device, this results in field construction etc. to be not convenient to use Large-scale Hoisting equipment
Occasion be not available this access step, for construction bring inconvenience.
Summary of the invention
The technical task of the utility model is to provide a kind of crawler running machineries with dismountable
Access step, can on-site assembly, disassembled for transport is not needed using Large-scale Hoisting instrument, easy to use.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of dismountable access step of crawler running machinery, including two symmetrical pontic units and connecting bridge body unit
Pull rod, pontic unit is provided with draw-bar seat, and pull rod connects two symmetrical pontic units by draw-bar seat, and pontic unit includes
Lower support unit and upper support unit, pull rod are removable with pontic unit, lower support unit and upper support unit
Unload formula connection, convenient transportation；
Lower support unit includes lower-edge beam, connection support plate, front support, upper corbel back slab and lower corbel back slab, the symmetrical cloth of lower-edge beam
It sets on the both sides of pontic unit, is connected and fixed by connection support plate and transverse support bar, transverse support bar horizontal vertical is in two
Side lower-edge beam, the top of transverse support bar are fixed with vertical supporting bar, and vertical supporting bar is parallel with lower-edge beam, vertical supporting bar
Top is mounted with the anti-skidding steel bar being laterally arranged；Front support is vertically arranged, and passes through connection support plate and lower support unit
It is detachably connected fixation；The front end of lower support unit is arranged in upper corbel back slab and lower corbel back slab, and lower corbel back slab is horizontally disposed, upper corbel back slab edge
The setting of vehicle angle tilt is stepped on, roof side rail front end is fixed with lower corbel back slab, the cooperation of upper corbel back slab respectively；
Two sides lower-edge beam is the main support of lower support unit, connection support plate, transverse support bar and vertical supporting bar
It is mainly used for component connection and Auxiliary support, lower support unit is formed by front support and ground and firm steps on vehicle inclined-plane；
Upper support unit includes that roof side rail, connection support plate, rear support and diagonal brace, roof side rail are arranged symmetrically in pontic list
The both sides of member are connected and fixed by connection support plate and transverse support bar, and transverse support bar horizontal vertical is horizontal in two sides roof side rail
It is fixed with vertical supporting bar to the top of support rod, the top of vertical supporting bar is mounted with the anti-skidding steel bar being laterally arranged；
Rear support is vertically arranged in the rear end of upper support unit, and rear support and diagonal brace pass through connection support plate and upper support list respectively
Member is detachably connected fixation；
The connection support plate of upper support unit, transverse support bar, vertical supporting bar and protection steel bar use and make
With all the same, upper support unit identical with lower support cellular construction is formed, upper support unit passes through rear support, diagonal brace
And the combination with lower support unit, it is formed with ground and firm steps on vehicle inclined-plane；
Fixation is bolted in lower support unit and upper support unit.
Preferably, connector is respectively set in its junction to guarantee that connection is strong in lower support unit and upper support unit
Degree；Roof side rail and the corresponding side portion of lower-edge beam, i.e. the rear end sides edge of the front end two sides edge of roof side rail and lower-edge beam
It is respectively welded and is fixed with connecting plate and pad, bolt hole is opened up on connecting plate and pad, roof side rail and lower-edge beam pass through two respectively
The connecting plate and pad of side, make to be joined with bolts.The connection that two units are carried out using connecting plate and pad, can increase
The intensity of connection enhances connective stability.
Further, the rear end of upper support unit is hinged with movable plate, and movable plate can overturn certain angle around hinged place
Degree, is the part docked with haulage vehicle vehicle face, and upper support unit rear end is connected and fixed movable plate by connecting support plate
Hinged seat.
Preferably, the connection support plate is channel steel, and channel steel is by being welded and fixed.
Further, before connection support plate is located at corbel back slab and vertical supporting bar junction to guarantee vertical supporting bar
Hold fixation, front support and lower support unit junction to guarantee front support fixation, upper support unit and diagonal brace
Junction with guarantee diagonal brace be connected firmly, upper support unit and rear support junction with guarantee rear support be connected firmly, lower part
It is steady when the rear end of support unit and the front end of upper support unit are to guarantee that lower support unit is connect with upper support unit
It is fixed, and when hinged installation activity plate, the same connection support plate of rear end setting of upper support unit is with installation activity plate.
Further, front support upper end is fixed by bolt with support plate is connect, and front support is formed with lower support unit
Bolted detachable connection；Connection support plate and diagonal brace junction are welded with otic placode, and diagonal brace passes through pin shaft and connection
The otic placode welded in support plate is fixed with support plate is connect；Connection support plate and rear support junction are welded with otic placode, rear support
It is fixed by the otic placode welded on pin shaft and connection support plate with support plate is connect；Rear support lower weld has otic placode, diagonal brace
It is fixed by the otic placode welded on pin shaft and rear support with rear support, diagonal brace and upper support unit, rear support and upper support
Unit and diagonal brace form the detachable connection that pin shaft is connect with rear support.
Preferably, the anti-skidding steel bar is screw-thread steel, and screw-thread steel is fixedly welded on vertical supporting bar and the side bar of two sides.
Preferably, the screw-thread steel selects 16mm screw-thread steel.
Further, rear support and front support are all made of 120mm × 100mm × 6mm square tube, and the welding of rear support bottom is solid
Surely there is horizontally disposed bottom beam, be used to support rear support square tube and increase the contact surface section on rear support square tube and ground, front support
The support plate of bottom weld horizontal setting, to increase contact area；Transverse support bar and vertical supporting bar are 60mm × 40mm
The square tube of × 4mm.
Preferably, the vehicle angle of stepping on is 20 degree, i.e. the angle of access step stepped between vehicle face and ground is 20 degree, is applicable in
Vehicle is stepped in various caterpillar drilling machines and crawler running machinery.
Access step before assembly, first welds the position for needing to weld in each separating element, as above, below
Connection support plate, transverse support bar, vertical supporting bar, anti-skidding steel bar and upper and lower corbel back slab between beam and it is welded on connection branch
Each otic placode on fagging forms top beam element and following beam element；And the weldering such as rear support and bottom beam, front support and support plate
It is connected to position, forms rear support unit and front support unit.After the completion of the welding of all separating elements, start to assemble.Lower-edge beam list
Member is fixed with bolts with front support unit, and rear support unit is with top beam element, diagonal brace and top beam element and tiltedly
It is connected and fixed respectively with pin shaft between support and rear support unit, finally by the bolt hole of connecting plate and pad on upper and lower side bar
Upper support unit and lower support unit are fixed together by position to it, using bolt, complete whole installation process.
Access step is decomposed into left and right two identical unilateral pontics first by the access step of the structure, between two pontics
It is connected using pull rod, when transport can dismantle independent transport；Secondly will each unilateral pontic disassemble for several can be used bolt or
The structural unit individual of pin shaft connection, such as front support, rear support, diagonal brace, following beam element, top beam element, each unit
Individual removable independent transport in transport, scene is assembled again, without using Large-scale Hoisting instrument.
Compared to the prior art a kind of crawler running machinery of the utility model, has with dismountable access step with following
Beneficial effect:
This access step is detachable, convenient transportation, entire pontic is divided into left and right two parts, centre is connected using pull rod
Rather than convenient welding is dismantled；Unilateral crossstructure is similarly detachable structure, and entire side bar is divided into upper and lower two parts, upper,
Following beam element is connected by screw bolts, and makes single side bar length control within 2 meters, convenient transportation and assembling；Other structures are such as
Front support, rear support and diagonal brace are also all connected using dismountable mode with corresponding component, and the knot of traditional access step is improved
Structure design, it is detachable to transport, can on-site assembly, it is convenient to use without using Large-scale Hoisting instrument.
Detailed description of the invention
Fig. 1 is a kind of side structure of the dismountable access step pontic unit of crawler running machinery of the utility model
Figure；
Fig. 2 is the overlooking structure figure of pontic unit；
Fig. 3 is a kind of overall effect figure of the dismountable access step of crawler running machinery of the utility model.
In figure, 100, pontic unit, 110, lower support unit, 111, lower-edge beam, 112, lower corbel back slab, 113, upper corbel back slab,
114, support plate, 115, transverse support bar, 116, vertical supporting bar, 117, anti-skidding steel bar, 118, front support, 120, top are connected
Support unit, 121, roof side rail, 122, otic placode, 123, diagonal brace, 124, rear support, 125, bottom beam, 126, movable plate, 127, hinged
Seat, 130, connecting plate, 140, pad, 200, draw-bar seat, 300, pull rod.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of dismountable access step of crawler running machinery, including two symmetrical pontic units 100 and connection pontic
The pull rod 300 of unit 100, pontic unit 100 are provided with draw-bar seat 200, and pull rod 300 connects two symmetrically by draw-bar seat 200
Pontic unit 100, pontic unit 100 includes lower support unit 110 and upper support unit 120, pull rod 300 and pontic list
Member 100, lower support unit 110 and upper support unit 120 are detachable connection, convenient transportation.
Lower support unit 110 include lower-edge beam 111, connection support plate 114, front support 118, upper corbel back slab 113 and under draw
Plate 112.
Lower-edge beam 111 is arranged symmetrically in the both sides of lower support unit 110, passes through connection support plate 114 and cross-brace
Bar 115 is connected and fixed, and 115 horizontal vertical of transverse support bar is fixed in two sides lower-edge beam 111, the top of transverse support bar 115
Vertical supporting bar 116, vertical supporting bar 116 is parallel with lower-edge beam 111, and the top of vertical supporting bar 116 is mounted with transverse direction
The anti-skidding steel bar 117 being arranged.Two sides lower-edge beam 111 is the main support of lower support unit 110, connection support plate 114, transverse direction
Support rod 115 and vertical supporting bar 116 are mainly used for component and connect and Auxiliary support.
Front support 118 is vertically arranged, and is detachably connected fixation by connection support plate 114 and lower support unit 110.Under
Portion's support unit 110 by front support 118 and ground formed it is firm step on vehicle inclined-plane, stepping on vehicle bevel angle is 20 degree, that is, steps on vehicle
The angle of ladder stepped between vehicle face and ground is 20 degree, steps on vehicle suitable for various caterpillar drilling machines and crawler running machinery.
The front end of lower support unit 110 is arranged in upper corbel back slab 113 and lower corbel back slab 112, and lower corbel back slab 112 is horizontally disposed, on
Corbel back slab 113 is fixed with lower corbel back slab 112, the cooperation of upper corbel back slab 113 respectively along the setting of vehicle angle tilt, 111 front end of roof side rail is stepped on.Upper,
Lower corbel back slab is that crawler running machinery steps on the part contacted at first when vehicle.
Upper support unit 120 includes roof side rail 121, connection support plate 114, diagonal brace 123 and rear support 124.
Roof side rail 121 is arranged symmetrically in the both sides of upper support unit 120, passes through connection support plate 114 and cross-brace
Bar 115 is connected and fixed, and transverse support bar 115 is fixed with longitudinal direction perpendicular to two sides roof side rail 121, the top of transverse support bar 115
Support rod 116, the top of vertical supporting bar 116 are mounted with the anti-skidding steel bar 117 being laterally arranged.Upper support unit 120
Connection support plate 114, transverse support bar 115, vertical supporting bar 116 and anti-skidding steel bar 117 use and act on it is all the same,
Form upper support unit 120 identical with 110 structure of lower support unit.
Rear support 124 is vertically arranged in the rear end of upper support unit 120, and rear support 124 and diagonal brace 123 pass through company respectively
It connects support plate 114 and upper support unit 120 is detachably connected fixation.Upper support unit 120 passes through rear support 124, diagonal brace
123 and the combination with lower support unit 110, it is formed with ground and firm steps on vehicle inclined-plane.
Fixation is bolted in lower support unit 110 and upper support unit 120.Lower support unit 110 and upper
Connector is respectively set in its junction to guarantee bonding strength in portion's support unit 120.Roof side rail 121 and lower-edge beam 111 are opposite
The side portion answered, i.e. the front end two sides edge of roof side rail 121 and the rear end sides edge of lower-edge beam 111 company of being welded with respectively
Bolt hole is opened up on fishplate bar 130 and pad 140, connecting plate 130 and pad 140, roof side rail 121 and lower-edge beam 111 pass through respectively
The connecting plate 130 and pad 140 of two sides, make to be joined with bolts.Two units are carried out using connecting plate 130 and pad 140
Connection, can increase the intensity of connection, enhance connective stability.
The rear end of upper support unit 120 is hinged with movable plate 126, and movable plate 126 can overturn certain angle around hinged place
Degree, is the part docked with haulage vehicle vehicle face, and 120 rear end of upper support unit is connected and fixed work by connecting support plate 114
The hinged seat 127 of movable plate 126.
The connection support plate 114 is channel steel, and every one side pontic unit 100 has 7 pieces, and 7 blocks of channel steels are located at corbel back slab
113 with after 116 junction of vertical supporting bar, front support 118 and 110 junction of lower support unit, lower support unit 110
End and the front end of upper support unit 120, upper support unit 120 and 123 junction of diagonal brace, upper support unit 120 are with after
124 junctions and upper support unit 120 and 126 hinged place of movable plate are supported, every block of channel steel is welded and fixed.
118 upper end of front support is fixed by bolt with support plate 114 is connect, front support 118 and 110 shape of lower support unit
At bolted detachable connection；Connection support plate 114 and 123 junction of diagonal brace are welded with otic placode 122, and diagonal brace 123 is logical
It crosses pin shaft and connects the otic placode 122 welded in support plate 113 and fixed with support plate 114 is connect；Connect support plate 114 and rear branch
Support 124 junctions and be welded with otic placode 122, rear support 124 by pin shaft and connect the otic placode 122 welded in support plate 114 with
It is fixed to connect support plate 114；124 lower weld of rear support has otic placode 122, and diagonal brace 123 on pin shaft and rear support 124 by welding
Otic placode 122 and rear support 124 it is fixed, diagonal brace 123 and upper support unit 120, rear support 124 and upper support unit 120
And diagonal brace 123 forms the detachable connection that pin shaft is connect with rear support 124.
The anti-skidding steel bar 117 is screw-thread steel, and screw-thread steel is fixedly welded on vertical supporting bar 116 and the side bar of two sides.
The screw-thread steel that the present embodiment is selected is 16mm screw-thread steel.
Rear support 124 and front support 118 are all made of 120mm × 100mm × 6mm square tube, the bottom welding of rear support 124
It is fixed with horizontally disposed bottom beam 125, be used to support rear support square tube and increases the contact surface section on rear support square tube and ground, it is preceding
The support plate for supporting 118 bottom weld horizontals to be arranged, to increase contact area；Transverse support bar 115 and vertical supporting bar 116 are equal
For 60mm × 40mm × 4mm square tube.
Access step before assembly, first welds the position for needing to weld in each separating element, as above, below
Connection support plate 114, transverse support bar 115, vertical supporting bar 116, anti-skidding steel bar 117 and upper corbel back slab 113 between beam, under
Corbel back slab 112 and each otic placode 122 being welded in connection support plate 114, form top beam element and following beam element；And rear branch
Support 118 is welded in place with bottom beam 125, front support 118 and support plate etc., formation rear support unit and front support unit.To all
After the completion of separating element welding, start to assemble.Following beam element is fixed with bolts with front support unit, rear support unit
It is connect respectively with pin shaft between top beam element, diagonal brace 123 and top beam element and diagonal brace 123 and rear support unit solid
It is fixed, finally by the bolt hole position of connecting plate 130 and pad 140 on upper and lower side bar to it, using bolt by upper support list
Member 110 is fixed together with lower support unit 120, completes whole installation process.
The technical personnel in the technical field can readily realize the utility model with the above specific embodiments,.But
It is it should be appreciated that the utility model is not limited to above-mentioned specific embodiment.On the basis of the disclosed embodiments, described
Those skilled in the art can arbitrarily combine different technical features, to realize different technical solutions.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (10)
1. a kind of dismountable access step of crawler running machinery, it is characterised in that including two symmetrical pontic units and connection
The pull rod of pontic unit, pontic unit include lower support unit and upper support unit,
Lower support unit includes that lower-edge beam, connection support plate, front support, upper corbel back slab and lower corbel back slab, lower-edge beam are arranged symmetrically in
The both sides of pontic unit are connected and fixed by connection support plate and transverse support bar, and transverse support bar horizontal vertical is under two sides
Side bar, the top of transverse support bar are fixed with vertical supporting bar, the top of vertical supporting bar be mounted with laterally be arranged it is anti-
Sliding steel bar；Front support is vertically arranged, and is detachably connected fixation by connection support plate and lower support unit；Upper corbel back slab draws under
The front end of lower support unit is arranged in plate, and lower corbel back slab is horizontally disposed, and upper corbel back slab is arranged along vehicle angle tilt is stepped on；
Upper support unit includes that roof side rail, connection support plate, rear support and diagonal brace, roof side rail are arranged symmetrically in pontic unit
Both sides are connected and fixed by connection support plate and transverse support bar, and transverse support bar horizontal vertical is laterally propped up in two sides roof side rail
The top of strut is fixed with vertical supporting bar, and the top of vertical supporting bar is mounted with the anti-skidding steel bar being laterally arranged；After prop up
Support is vertically arranged in the rear end of upper support unit, and rear support and diagonal brace pass through connection support plate respectively and upper support unit can
Dismantling connection is fixed；
Fixation is bolted in lower support unit and upper support unit.
2. a kind of dismountable access step of crawler running machinery according to claim 1, it is characterised in that roof side rail and
The corresponding side portion of lower-edge beam is welded with connecting plate and pad respectively, and bolt hole, top are opened up on connecting plate and pad
Beam and lower-edge beam pass through the connecting plate and pad of two sides respectively, make to be joined with bolts.
3. a kind of dismountable access step of crawler running machinery according to claim 1, it is characterised in that upper support
The rear end of unit is hinged with movable plate, the hinged seat that upper support unit rear end is connected and fixed movable plate by connecting support plate.
4. a kind of dismountable access step of crawler running machinery according to claim 1, it is characterised in that the connection
Support plate is channel steel, and channel steel is by being welded and fixed.
5. a kind of dismountable access step of crawler running machinery according to claim 1 or 2 or 3 or 4, it is characterised in that
Connection support plate is located at corbel back slab and vertical supporting bar junction, front support and lower support unit junction, lower part branch
Support the rear end of unit, the front end of upper support unit, upper support unit and diagonal brace junction and upper support unit and rear branch
Support junction.
6. a kind of dismountable access step of crawler running machinery according to claim 5, it is characterised in that in front support
End is fixed by bolt with support plate is connect；Connection support plate and diagonal brace junction are welded with otic placode, and diagonal brace passes through pin shaft and company
Support plate is connect to fix；Connection support plate and rear support junction are welded with otic placode, and rear support is consolidated by pin shaft with support plate is connect
It is fixed；Rear support lower weld has otic placode, and diagonal brace is fixed by pin shaft and rear support.
7. a kind of dismountable access step of crawler running machinery according to claim 1, it is characterised in that described anti-skidding
Steel bar is screw-thread steel.
8. a kind of dismountable access step of crawler running machinery according to claim 7, it is characterised in that the screw thread
Steel is 16mm screw-thread steel.
9. a kind of dismountable access step of crawler running machinery according to claim 1 or 8, it is characterised in that rear support
It is all made of 120mm × 100mm × 6mm square tube with front support, rear support bottom is welded with horizontally disposed bottom beam, preceding branch
Support the support plate of bottom weld horizontal setting；Transverse support bar and vertical supporting bar are 60mm × 40mm × 4mm square tube.
10. a kind of dismountable access step of crawler running machinery according to claim 1, it is characterised in that described to step on vehicle
Angle is 20 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789169.3U CN208267750U (en) | 2018-05-25 | 2018-05-25 | Detachable boarding ladder for crawler traveling machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789169.3U CN208267750U (en) | 2018-05-25 | 2018-05-25 | Detachable boarding ladder for crawler traveling machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267750U true CN208267750U (en) | 2018-12-21 |
Family
ID=64684924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820789169.3U Active CN208267750U (en) | 2018-05-25 | 2018-05-25 | Detachable boarding ladder for crawler traveling machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267750U (en) |
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2018
- 2018-05-25 CN CN201820789169.3U patent/CN208267750U/en active Active
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